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# - Try to find the AGG graphics library
# Once done this will define
#
# AGG_FOUND - system has AGG
# AGG_INCLUDE_DIR - the AGG include directory
# AGG_LIBRARIES - Link these to use AGG
# AGG_DEFINITIONS - Compiler switches required for using AGG
#
IF (DEFINED CACHED_AGG)
# in cache already
IF ("${CACHED_AGG}" STREQUAL "YES")
SET(AGG_FOUND TRUE)
ENDIF ("${CACHED_AGG}" STREQUAL "YES")
ELSE (DEFINED CACHED_AGG)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
INCLUDE(UsePkgConfig)
PKGCONFIG(libagg _AGGIncDir _AGGLinkDir _AGGLinkFlags _AGGCflags)
set(AGG_DEFINITIONS ${_AGGCflags})
FIND_PATH(AGG_INCLUDE_DIR agg2/agg_pixfmt_gray.h
${_AGGIncDir}
/usr/include
/usr/local/include
)
FIND_LIBRARY(AGG_LIBRARIES NAMES agg
PATHS
${_AGGLinkDir}
/usr/lib
/usr/local/lib
)
if (AGG_INCLUDE_DIR AND AGG_LIBRARIES)
set(AGG_FOUND TRUE)
endif (AGG_INCLUDE_DIR AND AGG_LIBRARIES)
if (AGG_FOUND)
set(CACHED_AGG "YES")
if (NOT AGG_FIND_QUIETLY)
message(STATUS "Found AGG: ${AGG_LIBRARIES}")
endif (NOT AGG_FIND_QUIETLY)
else (AGG_FOUND)
set(CACHED_AGG "NO")
if (AGG_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find AGG")
endif (AGG_FIND_REQUIRED)
endif (AGG_FOUND)
MARK_AS_ADVANCED(AGG_INCLUDE_DIR AGG_LIBRARIES)
set(CACHED_AGG ${CACHED_AGG} CACHE INTERNAL "If libagg was checked")
ENDIF (DEFINED CACHED_AGG)
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